list of classical problems

ID NAME CODE USERS ACC %
3393    Knot or Not NOTOKNOT 6 13.56
3394    Lagrange’s Four-Square Theorem LAGRANGE 527 45.84
3412    Higgs Boson SAMER08H 48 18.93
3442    The last digit LASTDIG 29251 26.95
3464    Clock CLOCK1 47 35.23
3466    Another Longest Common Subsequence Problem CS 6 42.86
3543    Matrica MATRICA 53 39.38
3544    Binary Search Tree BST 587 20.63
3545    Najkraci NAJKRACI 177 28.96
3591    Patting Heads PATHEADS 637 35.08
3723    Snooker SNOOKER 442 50.00
3749    Subset Sums SUBSUMS 4003 26.29
3752    JEDNAKOST JEDNAKOS 595 18.40
3763    George GEORGE 520 52.57
3791    Street STREET 662 51.56
3898    Even Palindrome PALDR 247 10.24
3946    K-th Number MKTHNUM 5076 34.38
3953    Paid Roads MMINPAID 249 26.75
3961    Journey with Pigs MJOURNEY 129 43.57
3962    ELEVATOR II MELE2 99 42.96
3977    Police Query POLQUERY 291 17.08
4070    Two Professors TWOPROF 101 14.47
4103    Extend to Palindrome EPALIN 2323 29.56
4110    Fast Maximum Flow FASTFLOW 2799 34.38
4157    Domino DOMINO2 54 50.42
4164    A conjecture of Paul ErdÅ‘s HS08PAUL 2011 45.07
4166    Four colors HS08FOUR 100 21.88
4168    Square-free integers SQFREE 603 43.73
4172    Multiplicative digital root DROOT 72 25.25
4176    A Knightly Pursuit KPURSUIT 63 27.56
4177    Herding HERDING 2697 35.19
4179    Temptation Island TEMPTISL 648 44.85
4182    Candy (Again) FCANDY 225 18.50
4186    Break a New RSA system HS08CODE 137 35.76
4188    Amazing equality HS08EQ 38 13.58
4189    Landing LANDING 4 3.64
4198    Lego LEGO 174 25.31
4206    Fast Maximum Matching MATCHING 1948 29.17
4421    Irreducible polynomials over GF2 GF2 62 18.01
4458    Rainbow RAINBOW2 34 19.46
4487    Can you answer these queries VI GSS6 1213 22.73
4523    Binomial Coefficients UCI2009B 209 41.72
4525    Digger Octaves UCI2009D 369 35.58
4528    Frog Wrestling FROGS 66 43.23
4761    Strategy game HS09GAME 37 54.10
4785    Starship HS09SHIP 10 28.80
4828    ZSequence ZSEQ 51 19.33
5163    Tower of Vientiane VIENTIAN 92 40.20
5182    Double Sorting PAIRSORT 12 8.92
5446    Fishing Net FISHNET 147 31.37
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